如上图数据如何用java弄成以下树状形式类型格式返回?

数据格式如下:
[{"CFASSESSMENTTYPE":"3","CFINTEGRALEXPLANATION_L2":"家装事业部总经理随机评价，对点评到的日报进行随机打分。","CFPOINTSCONTENT_L2":"日报评价（家装事业部总经理）","CFPROJECT_L2":"日报","CFSCORINGMETHOD":"1
"},{"CFASSESSMENTTYPE":"3","CFINTEGRALEXPLANATION_L2":"完成漏水事故处理","CFPOINTSCONTENT_L2":"处理漏水事故","CFPROJECT_L2":"售后","CFSCORE":20,"CFSCORINGMETHOD":"1"},{"CFASSES
SMENTTYPE":"3","CFINTEGRALEXPLANATION_L2":"除了休息日、节假日外，满勤即为30分，缺一次则不计分","CFPOINTSCONTENT_L2":"全勤","CFPROJECT_L2":"考勤","CFSCORE":30,"CFSCORINGMETHOD":"1"},{"CFASS
ESSMENTTYPE":"5","CFINTEGRALEXPLANATION_L2":"对代理商新招业务员基础的产品和销售培训","CFPOINTSCONTENT_L2":"培训代理商业务员","CFPROJECT_L2":"培训","CFSCORE":10,"CFSCORINGMETHOD":"1"},{"CFAS
SESSMENTTYPE":"5","CFINTEGRALEXPLANATION_L2":"对代理商试压员试压技术培训","CFPOINTSCONTENT_L2":"培训代理商试压员","CFPROJECT_L2":"培训","CFSCORE":10,"CFSCORINGMETHOD":"1"}]

返回树状类型?

`public class Node {
    public int level;//等级
    public String data;//值
    public Node leftNode;//左节点
    public Node rightNode;//右节点
 }`